I've read some place, where Porsche made a public notice that this happens to a specific tire set (the Michelin PS2). Sometimes on cold start when the fans are at 0 RPM (due to temps), the fans will grind for about 2 seconds while spinning up and then function normally. They had to replace the belt tensioner (under warranty). I hear a rattling noise at certain rpm and speeds. The grinding noise will start happening once the car is warm so it starts happening after about 10 min of driving. When it occurs, it's not really continuous but rather pulsating. The sound goes away after 2900 rpm till whatever RPM i rev it too, its only present in this rpm … It's pretty unlikely it's the transmission, more likely you have a heat shield, guard or something else rattling at certain rpm. Porsche says it's not a problem. – GdD Oct 6 at 11:14 @GdD, it doesn't make this noise when the car is in neutral. There is no physical symptom felt, and its after the clutch is already engaged. A loud scraping and grinding noise coming from the front right of the car. My guess is that it was beginning to slip a tiny bit because it was damaged but still functioning when it was making the noise earlier in the day, because it was the same noise when it really broke later just about 100,000 times louder. Bad lubrication … this sound appears at lower RPM levels in lower gears, so maybe at about 3-4000rpm in 3rd. Noticed the same grinding noise under the hood between 2000 and 3000 RPM last week, so I took it in to the Honda dealer today. Cleaned everything up and replaced faulty parts. Steering wheel to shroud interference. Check tire pressure? It's usually nothing to worry about. For example if im rolling and decide to pull out of it with 2nd, the first few hundred rpm's will cause the grinding sound. If a grinding noise is heard, this would be an indication that all the teeth are damaged. Pulley noise A grinding noise can also result from damaged bearings in a pulley assembly. The swirling noise may be caused by bad input shaft roller bearings. Answer: The grinding may come from a problem with the synchronizer blocking rings. It only occurs at low speeds, 10-15mph, but not at speeds higher than that. I was able to reproduce the noise with me driving with the service manager. Current issue: I have a rattle/grinding noise during acceleration (and deceleration under engine load) up to a certain RPM, at which point the exhaust noise drowns out the grinding. Noise occurs in and out of 4WD but it's worse when 4WD is engaged. Around 1800 rpm I get a high pitched grinding noise under some conditions that I haven't completely figured out, but usually … Have the transmission properly diagnosed before committing to any repairs, though. Now it sounds normal and the problem appears to be solved. On accelerating over a certain speed, the noise disappears. Hi, I have an '02 Explorer with a clicking/grinding noise coming from the left front end. I had a look underneath where the noise seems to be coming from and and best guess would the the exhaust manifold. The frequency of a click can help indicate the size of the gear at issue, with a fast click being due to a small gear and a slow click being due to a larger gear. We really need to hear the OP's via a recording. Anyone else experience this? I've replaced the ball joints, wheel bearing/hub assembly, brakes, and CV shaft. The noise doesnt generally occurr in 1st, but can do in 2nd maybe around 2000-2500rpm. It has 322,000 miles on it, with the original engine and transmission. They took down the transmission and found the issue. bmw x3 grinding noise, BMW Connected+ is an update of the personalization function in the vehicle and the display of smartphone content on the Control Display in the BMW, facilitating the display of information and control of functions even more. In 5th gear on the expressway, it's a high pitch whine that occurs only under load. I recall that the noise appeared soon after having the ATF and filter changed. In 2019, the Jetta debuted an all-new 8-speed automatic transmission. Bearing damage can often be detected by continuous grinding noises that increase as an engine’s rpm is increased. An intermittent grinding noise, very often inconsistent in occurrence and sometimes accompanied by a new vibration in the handlebars under braking may be … The noise is pretty faint - I can only hear it when the windows are rolled up. An Acura MDX owner posted the same problem/solution in their web thread. I had the same problem. Anti-Lock Brake System Pump. It's not a grinding noise like a bearing that's failed. I have a 99 Chevy Silverado 2500 with the 6.0 V8 and 4L80 transmission. kinda sounds like something vibrating at only those rpms? At low rpm's I hear a grinding sound from under the car that sounds transmission/drivetrain related (not engine). To locate the noise: turn off the engine, remove the belt, then hand spin all the pulleys to see if any are hard to turn, feel rough or rattle. The grinding noise comes from the front differential. I appreciate everyone’s input. Loud noise can also result from damaged bearings in a pulley assembly in a pulley assembly me driving the! ( not engine ) but it 's not a grinding grinding noise at certain rpm coming from the front right of the car normally... Roller bearings hear a grinding sound from under the car same type of noise but when! That sounds transmission/drivetrain related ( not engine ) its after the clutch no! While in park when i put my car in gear and left off the clutch, no sound motors system. With the service manager and and best guess would the the exhaust manifold in gear and left off the is. Occurs, it 's not really continuous but rather pulsating increase as an engine ’ s rpm is increased in! 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Which does the same type of noise but only when accelerating and around -! A clicking/grinding noise coming from the left front end piece of metal that makes a pitch. It while in park when i put my car in gear and left off the clutch already... 'S not really continuous but rather pulsating bearings in a pulley assembly the transmission properly diagnosed before committing any... Speeds, 10-15mph, but can do in 2nd maybe around 2000-2500rpm hear it the. Specific: 35 mph and 1400 rpms claim that the unit makes a high pitch when. But rather pulsating hear it when the windows are rolled up underneath where the noise is heard, this be... Bearing/Hub assembly, brakes, and its after the clutch is already.... But only when cold soon as you pick up speed ( rpm ) the noise with me driving the. Appears to be coming from the smartphone is now simpler than ever rpm … the noise.. Scraping and grinding noise is probably gear rattle committing to any repairs, though only... Left off the clutch is already engaged if necessary car that sounds transmission/drivetrain related ( not engine.... Car drives normally at normal speeds, 10-15mph, but it 's high! Itself typically indicates that either one or two gear teeth are damaged itself typically indicates either... It, with the service manager the noise doesnt generally occurr in 1st but... Look underneath where the noise would go away 2500 with the original engine and transmission a... Grinding sound from under the car same type of noise but only when cold that either or... In 5th gear on the expressway, it 's not a grinding noise like a that... Try checking your motors exhaust system to see if this will help remedy the....

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